//公用样式方法


/*单行文本溢出*/
ellipsis(){
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

/*多行文本溢出*/
ellipsis_n(n){
    display: -webkit-box!important;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: n;      //展示n行
}



clearfix()
    zoom:1;
    &:after
        display:block;
        clear:both;
        content:"";
        visibility:hidden;
        height:0;
        font-size:0;
